private void availablebtn_Click(object sender, EventArgs e) { if (bidtb.Text == "") { MessageBox.Show("Enter correct book Number!"); } else { String bid = bidtb.Text; BookIssuer bi = new BookIssuer(); bi.checkAvailability(bid); } }
private void button1_Click_2(object sender, EventArgs e) { if (uidtb.Text == "") { MessageBox.Show("Enter correct user ID! "); } else { String id = uidtb.Text; BookIssuer bi = new BookIssuer(); bi.checkOverdues(id); } }
private void button3_Click(object sender, EventArgs e) { if (issueuid.Text == "" || issuebid.Text == "") { MessageBox.Show("Enter Correct User Number and Book ID!"); } else { String uid = issueuid.Text; String bno = issuebid.Text; Detailsissue.Text = ""; BookIssuer bi = new BookIssuer(); bi.issueLoan(uid, bno, Detailsissue); uidtb.Text = ""; bidtb.Text = ""; } }
private void button1_Click_2(object sender, EventArgs e) { if (uidtb.Text == "") { MessageBox.Show("Enter correct user ID! "); } else{ String id = uidtb.Text; BookIssuer bi = new BookIssuer(); bi.checkOverdues(id); } }